摘要
针对长期以来在叙述图学术语投影时的不确切现象，进行了收集资料和调查研究工作提出了较为清楚的论述投影法和投影的过程和方法，并建议投影图制通术语（ＧＢ／Ｔ１３３６１－９２）中增加图和术语（ＧＢ／Ｔ１３３６１－９２）中增加图形术语。
In this paper, projection is defined.The method of projection is discussed carefully and drawing is interpreted that relates to projection.
作者
李西琴
张凤梅
Li Xiqin and Zhang Fengmei (Northwestern Polytechnical University)
出处
《标准化报道》
1997年第3期 15-17,共3页
Reporting of Standardization
